OpenTechnical

OT-2026-000011711

Publication integrity record

Foam pad vacuum gripper, pump fed, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000011711) never changes.

Identity and time

Publication numberOT-2026-000011711 · never reused
Internal UUID01a0ae6d-1940-749c-ba82-f64a0636b830 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011711
StatusPUBLIC

Content hashes

Canonical text6cb4f40f8c2332b8a4df92dbcc7a52e96d9ec3f851d08ab85e4d74fdcaf0c3c0
Markdowne4f1ca9fae769daba6792ad7d12268ada66fbf60b5de9649ab51622b6fed96fb
PDF
Publication page8e5c2723231b928fc0de376cdc2d4f75779e6833ff00279e48b1e03deaea37f2
Manifest0e17f02497cdaadd758849d73838c6c23b4d072d33eb3c1a17994b68a778ea9f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePXfXrh8i27MRSzoQB11FyTO35+QHZQVf+R4JHOogekYS3GGCon2sxzu+15sReCf3+aanXV5BmK3qbF44NRmCBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:19.319830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011711
observed 8e5c2723231b928fc0de376cdc2d4f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.300107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011711/manifest.json
observed 0e17f02497cdaadd758849d73838c6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.279829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011711/publication.md
observed e4f1ca9fae769daba6792ad7d12268ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.261635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011711/publication.txt
observed 6cb4f40f8c2332b8a4df92dbcc7a52e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.